Dominica Phone Numbers: Format, Area Code & Validation Guide
Explore Dominica's (+1 767) phone number format: fixed-line (767-2XX-XXXX), mobile (767-[2-9]XX-XXXX). Includes validation regex (e.g., ^7672[0-9]{6}$), dialing codes, and operator ranges. Learn about number portability and the DTA regulatory body. Perfect for developers needing precise telecom data.
Phone number standards3 min read
Frequently asked questions
The Dominica country code is +1 767. This code, combined with the area code 767, must be used when making international calls to Dominica. It follows the North American Numbering Plan (NANP).
To call Dominica from another country, dial your international exit code (like 011 from the US), followed by 1 (the country code), 767 (the area code), and then the 7-digit local number. For instance, a call would look like 011 + 1 + 767 + XXX XXXX.
Dominica phone numbers follow a standard format of +1 767 NXX XXXX, similar to the US and Canada. This includes the country code (+1), area code (767), a three-digit central office code (NXX), and a four-digit subscriber number (XXXX).
You can validate a Dominica mobile number using the regex ^767[2-9][0-9]{6}$. This regular expression checks for the correct area code (767), ensures the next digit falls within the range 2-9, and confirms the following six digits are numbers 0-9, resulting in a correct 7-digit local phone number.
Dominica uses a single area code, 767, for all its phone numbers. This means regardless of whether it's a landline or mobile number, the area code will always be 767 within Dominica.
For local calls within Dominica, simply dial the 7-digit local number directly (NXX-XXXX), whether calling from landline to landline, landline to mobile, or mobile to mobile.
Dominica uses the +1 country code because it participates in the North American Numbering Plan (NANP), along with countries like the United States and Canada. This system simplifies calling between member countries.
Flow (Liberty Global) and Digicel Dominica are two major telecommunications operators in Dominica, covering different number ranges. Flow generally uses numbers starting with 2XX and 3XX in the NXX code section, and Digicel utilizes 4XX and 5XX.
The DTA is the regulatory body responsible for overseeing telecommunications in Dominica, including managing the telephone numbering plan. They ensure fair distribution of numbers, handle number allocation, and keep up with advancements in technology.
Dominica observes Atlantic Standard Time (AST), which is UTC-4. Remember this time difference when scheduling calls, especially automated ones, to avoid inconveniences and ensure calls are made during appropriate local hours.
Yes, mobile number portability (MNP) is available in Dominica. This means you can keep your existing phone number even if you switch service providers, offering flexibility in choosing telecom services.
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Quick Reference Guide
Overview
This comprehensive guide offers a detailed look into Dominica's telephone numbering plan. It covers the structure of phone numbers, dialing procedures, and regulatory information. Perfect for telecom professionals and developers seeking precise, data-driven insights into Dominica's phone systems.
Number Formats
General Number Structure
Dominica adheres to the North American Numbering Plan (NANP), similar to the United States and Canada. The typical phone number format includes:
Example:
+1 767 NXX XXXXDetailed Number Formats
^7672[0-9]{6}$^767[2-9][0-9]{6}$^800[2-9][0-9]{6}$^900[2-9][0-9]{6}$Regular Expressions for Validation
For developers and system administrators, the following regex patterns can be used to validate Dominica phone numbers:
^7672[0-9]{6}$^767[2-9][0-9]{6}$^800[2-9][0-9]{6}$^900[2-9][0-9]{6}$Dialing Procedures
Domestic Calls
International Calls
011 + 1 + 767 + 255 1234Number Portability
Mobile number portability (MNP) is available in Dominica, allowing subscribers to retain their phone numbers when switching between service providers. This applies to both mobile and fixed-line numbers.
Telecom Operators and Number Ranges
Major Operators
Regulatory Information
Regulatory Body
The Dominica Telecommunications Authority (DTA) oversees the regulation and management of the telephone numbering plan in Dominica. For the latest updates, visit the official DTA website (replace with the actual URL if available).
Number Allocation and Management
Numbers are allocated and managed by the DTA in accordance with NANP guidelines. The DTA ensures efficient and fair distribution of numbers among operators, considering future growth and technological advancements.
Technical Considerations
For Developers and System Administrators
Conclusion
This guide offers a comprehensive overview of Dominica's telephone numbering plan, including formats, dialing procedures, and regulatory information. By adhering to the technical details provided, telecom professionals and developers can ensure accurate and efficient handling of phone numbers in Dominica.